人猪嵌合体实验可能培育出聪明的“二师兄”

2016-06-16 佚名 腾讯科学

科学家担忧为培育器官进行的人猪嵌合体实验可能会制造出怪物。 据英国《每日快报》报道,美国科学家已经在一项试验中将人类干细胞注入到猪胚胎中,来培育一种被称为嵌合体的人猪胚胎。但是这项研究已经引发担忧,可能培育出像人一样拥有智慧的猪。 人们担心将人类和猪的基因以这种方式混合到一起,会使动物长出动物的样貌,但却拥有人类的大脑或者人类一样的智慧。这项研究非常具有争议,美国主要医疗研究机构——国家

科学家担忧为培育器官进行的人猪嵌合体实验可能会制造出怪物。

据英国《每日快报》报道,美国科学家已经在一项试验中将人类干细胞注入到猪胚胎中,来培育一种被称为嵌合体的人猪胚胎。但是这项研究已经引发担忧,可能培育出像人一样拥有智慧的猪。

人们担心将人类和猪的基因以这种方式混合到一起,会使动物长出动物的样貌,但却拥有人类的大脑或者人类一样的智慧。这项研究非常具有争议,美国主要医疗研究机构——国家健康研究所提出暂停为这类实验提供资金赞助。

这项研究的主要关注点在于人类细胞或许会发育成猪的大脑,并且使它在某些方面更像人类。这项研究的负责人,再生生物学家Pablo Ross称:“这种结果是不太可能出现的,但这也是这项研究遭受这种警告的一个关键原因。我们认为猪长出人类大脑的可能性非常低,但是这也将是我们探索的内容。”

Ross先生称,杂交生物应当在外貌和行为上都像正常猪一样,只有一种器官是由人类细胞构成。由于担心人猪嵌合体胚胎可能发育的太像我们人类,因此胚胎只允许在母猪体内存活28天,然后就会将其取出进行分析。

美国的其他研究团队已经创造过人猪嵌合胚胎,但是并没任何一个胚胎允许诞生,这都是因为研究人员担忧培育出古怪生物。明尼苏达州大学神经外科系教授Walter Low称,猪是培育人体器官的理想“生物学孵化器”,而且有可能用于培育胰腺,甚至是心脏、肝脏、肾脏、肺和角膜。

他声称:“如果诱导多功能干细胞来自于一位需要进行移植手术的病患,那么就可以将其注入到关键基因已经被删除的猪胚胎中,来培育出患者所需要的器官。这种器官将是你身体器官的完美遗传复制,而且更加年轻健康,你也不必再服用携带副作用的免疫抑制药物。”

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    2016-08-27 millore
  2. [GetPortalCommentsPageByObjectIdResponse(id=2079626, encodeId=8d6a20e962651, content=<a href='/topic/show?id=ec074e823ea' target=_blank style='color:#2F92EE;'>#嵌合体#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47823, encryptionId=ec074e823ea, topicName=嵌合体)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c0e3195, createdName=millore, createdTime=Sat Aug 27 12:40:00 CST 2016, time=2016-08-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=106353, encodeId=21131063532c, content=深度好文,值得学习,赞!, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Sun Aug 28 15:57:00 CST 2016, time=2016-08-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=90465, encodeId=188e90465e6, content=好文章,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=53751677671, createdName=沉心多思, createdTime=Sat Jun 18 18:25:00 CST 2016, time=2016-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1555235, encodeId=1ebc155523500, content=<a href='/topic/show?id=f367681e434' target=_blank style='color:#2F92EE;'>#猪#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68174, encryptionId=f367681e434, topicName=猪)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9ec214601917, createdName=muzishouyi, createdTime=Sat Jun 18 08:40:00 CST 2016, time=2016-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1620817, encodeId=96e7162081eb8, content=<a href='/topic/show?id=9d858084092' target=_blank style='color:#2F92EE;'>#聪明#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=19, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=80840, encryptionId=9d858084092, topicName=聪明)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=316420160942, createdName=Boyinsh, createdTime=Sat Jun 18 08:40:00 CST 2016, time=2016-06-18, status=1, ipAttribution=)]
    2016-08-28 ylzr123

    深度好文,值得学习,赞!

    0

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    2016-06-18 沉心多思

    好文章,值得学习

    0

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    2016-06-18 muzishouyi
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    2016-06-18 Boyinsh